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-rw-r--r--llvm/include/llvm/IR/DebugInfo.h36
1 files changed, 20 insertions, 16 deletions
diff --git a/llvm/include/llvm/IR/DebugInfo.h b/llvm/include/llvm/IR/DebugInfo.h
index f7d71e53702..f2c0861ac8a 100644
--- a/llvm/include/llvm/IR/DebugInfo.h
+++ b/llvm/include/llvm/IR/DebugInfo.h
@@ -252,6 +252,19 @@ public:
void replaceAllUsesWith(MDNode *D);
};
+#define RETURN_FROM_RAW(VALID, DEFAULT) \
+ do { \
+ if (auto *N = getRaw()) \
+ return VALID; \
+ return DEFAULT; \
+ } while (false)
+#define RETURN_DESCRIPTOR_FROM_RAW(DESC, VALID) \
+ do { \
+ if (auto *N = getRaw()) \
+ return DESC(dyn_cast_or_null<MDNode>(VALID)); \
+ return DESC(static_cast<const MDNode *>(nullptr)); \
+ } while (false)
+
/// \brief This is used to represent ranges, for array bounds.
class DISubrange : public DIDescriptor {
friend class DIDescriptor;
@@ -933,25 +946,13 @@ class DILocation : public DIDescriptor {
public:
explicit DILocation(const MDNode *N) : DIDescriptor(N) {}
- unsigned getLineNumber() const {
- if (auto *L = getRaw())
- return L->getLine();
- return 0;
- }
- unsigned getColumnNumber() const {
- if (auto *L = getRaw())
- return L->getColumn();
- return 0;
- }
+ unsigned getLineNumber() const { RETURN_FROM_RAW(N->getLine(), 0); }
+ unsigned getColumnNumber() const { RETURN_FROM_RAW(N->getColumn(), 0); }
DIScope getScope() const {
- if (auto *L = getRaw())
- return DIScope(dyn_cast_or_null<MDNode>(L->getScope()));
- return DIScope(nullptr);
+ RETURN_DESCRIPTOR_FROM_RAW(DIScope, N->getScope());
}
DILocation getOrigLocation() const {
- if (auto *L = getRaw())
- return DILocation(dyn_cast_or_null<MDNode>(L->getInlinedAt()));
- return DILocation(nullptr);
+ RETURN_DESCRIPTOR_FROM_RAW(DILocation, N->getInlinedAt());
}
StringRef getFilename() const { return getScope().getFilename(); }
StringRef getDirectory() const { return getScope().getDirectory(); }
@@ -1042,6 +1043,9 @@ public:
bool Verify() const;
};
+#undef RETURN_FROM_RAW
+#undef RETURN_DESCRIPTOR_FROM_RAW
+
/// \brief Find subprogram that is enclosing this scope.
DISubprogram getDISubprogram(const MDNode *Scope);
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